Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-09-2023 12:52

General

  • Target

    d00431e68be1cd7db0143c3d7264c36f_JC.exe

  • Size

    65KB

  • MD5

    d00431e68be1cd7db0143c3d7264c36f

  • SHA1

    21b2a963797449e3353077166c5f5b1f60185028

  • SHA256

    cdd8d870feb9a60b7999db48cc7d050b8e6ab142f94bc870455ae802240c87b1

  • SHA512

    bb02fa55d26631ec7cb63f915d252d30f646150417fe792a2314f5a67afe122783e104e6bc4ebb832463fe5a4a186ed9f1d14b0d69892125634df4bff7499b05

  • SSDEEP

    1536:UPHeemlYhVsG5aH15WVq2/LYzjkpliWB6OxGRIwJ4AEPApz:UlmlYhUqqPjkplh0OURvJf

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • UPX packed file 27 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 11 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:788
    • C:\Windows\system32\taskhostw.exe
      taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
      1⤵
        PID:2796
      • C:\Windows\system32\DllHost.exe
        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
        1⤵
          PID:3500
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3716
          • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
            "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
            1⤵
              PID:3652
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
              1⤵
                PID:3272
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:1980
                  • C:\Users\Admin\AppData\Local\Temp\d00431e68be1cd7db0143c3d7264c36f_JC.exe
                    "C:\Users\Admin\AppData\Local\Temp\d00431e68be1cd7db0143c3d7264c36f_JC.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops file in Windows directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:1172
                • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                  1⤵
                    PID:3808
                  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                    1⤵
                      PID:4900
                    • C:\Windows\system32\backgroundTaskHost.exe
                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                      1⤵
                        PID:3048
                      • C:\Windows\system32\backgroundTaskHost.exe
                        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                        1⤵
                          PID:4448
                        • C:\Windows\system32\backgroundTaskHost.exe
                          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                          1⤵
                            PID:1572
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4848
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4068
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                1⤵
                                  PID:2468
                                • C:\Windows\system32\sihost.exe
                                  sihost.exe
                                  1⤵
                                    PID:2432
                                  • C:\Windows\system32\dwm.exe
                                    "dwm.exe"
                                    1⤵
                                      PID:336
                                    • C:\Windows\system32\fontdrvhost.exe
                                      "fontdrvhost.exe"
                                      1⤵
                                        PID:792
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:4600
                                        • C:\Windows\System32\wuapihost.exe
                                          C:\Windows\System32\wuapihost.exe -Embedding
                                          1⤵
                                            PID:3976

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • memory/1172-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/1172-2-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-4-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-6-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1172-7-0x0000000001A80000-0x0000000001A81000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/1172-5-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-9-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1172-10-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-11-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-17-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-18-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-19-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-20-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-22-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-21-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-23-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-24-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-25-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-26-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-28-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-29-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-30-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1172-31-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-33-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-36-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-38-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-40-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-43-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-45-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-52-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-54-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-69-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1172-57-0x0000000000760000-0x000000000181A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/1172-74-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB